Analysis on theCharacteristics of Ecotourism Climate Resources in Hanzhong City
Rational development and utilization of climate resources is an important part of ecological civilization construction.By analyzing the mass concentration of SO2,NO2,PM10,PM25,air quality index(AQI),days of good ambient air quality,comprehensive index of atmospheric air quality and meteorological observation data such as temperature,precipitation,precipitation days and sunshine of 11 national meteorological stations in Hanzhong City from 2015 to 2022,the characteristics of eco-tourism climate resources in Hanzhong City were e-valuated in order to provide scientific basis for rational planning and in-depth excavation of eco-tourism climate resources in Hanzhong City.The results showed that the mass concentration of major air pollutants in Hanzhong City decreased year by year from 2015 to 2022.The comprehensive index of atmospheric air quality showed a downward trend year by year,reaching the lowest in 2022.From 2015 to 2022,the number of days with excellent ambient air quality reached more than 280 days,showing an increasing trend year by year.The monthly distribu-tion of atmospheric air quality index showed a trend of decreasing first and then increasing.It was the highest in January,reaching the moderate pollution level,and the lowest in October,reaching the excellent level.From 2015 to 2022,the annual average temperature in Hanzhong City was 14.5 ℃;the extreme maximum temperature was 42.0 ℃,which appeared in August,and the extreme minimum temperature was-15.6 ℃,which appeared in January;the annual average precipitation is 980.1mm,mainly concentrated from June to October each year.The annual pre-cipitation days are concentrated from April to October each year.The annual average sunshine hours are 1525.9h.There are more sunshine hours from February to August each year,all of which are more than 100h,and the peak appears in July.
万方数据
维普
